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Clémentine Grethen I'm a PhD student at IRIT in Toulouse, France, where I work on computer vision, with a focus on 3D reconstruction and image processing. More specifically, my research studies multi-view reconstruction and rendering techniques, motivated by challenges in autonomous navigation. I'm funded by an ESA (European Space Agency) OSIP grant and supervised by Géraldine Morin and Simone Gasparini. News
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Research |
2025 |
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Lunar-G2R: Geometry-to-Reflectance Learning for High-Fidelity Lunar BRDF Estimation
Clémentine Grethen, Nicolas Menga, Roland Brochard, Simone Gasparini, Géraldine Morin, Jérémy Lebreton, Manuel Sanchez-Gestido arXiv preprint, 2026 [arXiv] / [Dataset] We propose Lunar-G2R, a geometry-to-reflectance learning framework for high-fidelity BRDF estimation of the lunar surface, leveraging large-scale supervised data under diverse illumination and viewing conditions. |
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Adapting Stereo Vision From Objects To 3D Lunar Surface Reconstruction with the StereoLunar Dataset
Clémentine Grethen, Simone Gasparini, Géraldine Morin, Jérémy Lebreton, Lucas Marti, Manuel Sanchez-Gestido ICCV "From Street to Space", Honolulu 2025 [Paper] / [Project Page] / [StereoLunar Dataset] We introduce LunarStereo, a photorealistic stereo image dataset of the Moon, and show that fine-tuning the MASt3R model enables accurate 3D reconstruction and pose estimation under lunar conditions, significantly outperforming baselines. |
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Mise en place d'une méthode de reconstruction 3D du sol lunaire à partir de plusieurs images dans un contexte d'atterrissage.
Clémentine Grethen, Simone Gasparini, Géraldine Morin Orasis, 2025 HAL The paper proposes a method for generating realistic images of the lunar surface and a method for 3D reconstruction of the lunar surface based on traditional techniques. |
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This website is inspired from Jon Barron's. Last updated July 2025. |